Dec 06 04:40:17.600 INFO testing bugaevc/jvm-bindgen against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514
Dec 06 04:40:17.600 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-6/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 06 04:40:18.046 INFO [stdout] e267b55af37a9f4095da80852b2ffce96e360b60db8e085c40e86ec8be8861f6
Dec 06 04:40:18.050 INFO running `"docker" "start" "-a" "e267b55af37a9f4095da80852b2ffce96e360b60db8e085c40e86ec8be8861f6"`
Dec 06 04:40:19.264 INFO [stderr] usermod: no changes
Dec 06 04:40:19.370 INFO [stderr]    Compiling memchr v2.0.1
Dec 06 04:40:20.241 INFO [stderr]    Compiling nom v4.0.0
Dec 06 04:40:23.515 INFO [stderr]    Compiling classfile-parser v0.3.2
Dec 06 04:40:26.080 INFO [stderr]    Compiling jvm-bindgen v0.1.0 (/source)
Dec 06 04:40:26.892 INFO [stderr] warning: unused import: `Read`
Dec 06 04:40:26.892 INFO [stderr]  --> src/lib.rs:9:15
Dec 06 04:40:26.892 INFO [stderr]   |
Dec 06 04:40:26.892 INFO [stderr] 9 | use std::io::{Read, Write};
Dec 06 04:40:26.892 INFO [stderr]   |               ^^^^
Dec 06 04:40:26.892 INFO [stderr]   |
Dec 06 04:40:26.892 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 06 04:40:26.892 INFO [stderr] 
Dec 06 04:40:26.892 INFO [stderr] warning: unused import: `std::borrow::Cow`
Dec 06 04:40:26.892 INFO [stderr]   --> src/lib.rs:18:5
Dec 06 04:40:26.892 INFO [stderr]    |
Dec 06 04:40:26.892 INFO [stderr] 18 | use std::borrow::Cow;
Dec 06 04:40:26.892 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 06 04:40:26.892 INFO [stderr] 
Dec 06 04:40:26.984 INFO [stderr] warning: unused variable: `is_upper`
Dec 06 04:40:26.984 INFO [stderr]   --> src/lib.rs:59:10
Dec 06 04:40:26.984 INFO [stderr]    |
Dec 06 04:40:26.984 INFO [stderr] 59 |     for (is_upper, chars) in &java_name.chars().group_by(|c| c.is_uppercase()) {
Dec 06 04:40:26.984 INFO [stderr]    |          ^^^^^^^^ help: consider using `_is_upper` instead
Dec 06 04:40:26.984 INFO [stderr]    |
Dec 06 04:40:26.984 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 06 04:40:26.984 INFO [stderr] 
Dec 06 04:40:27.000 INFO [stderr] warning: function is never used: `get_class_name`
Dec 06 04:40:27.000 INFO [stderr]   --> src/lib.rs:34:1
Dec 06 04:40:27.000 INFO [stderr]    |
Dec 06 04:40:27.000 INFO [stderr] 34 | fn get_class_name<'a>(class: &'a ClassConstant, class_file: &'a ClassFile) -> &'a str {
Dec 06 04:40:27.000 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 04:40:27.000 INFO [stderr]    |
Dec 06 04:40:27.001 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 06 04:40:27.001 INFO [stderr] 
Dec 06 04:40:27.001 INFO [stderr] warning: struct is never constructed: `RustFmt`
Dec 06 04:40:27.001 INFO [stderr]   --> src/lib.rs:38:1
Dec 06 04:40:27.001 INFO [stderr]    |
Dec 06 04:40:27.001 INFO [stderr] 38 | struct RustFmt(Child);
Dec 06 04:40:27.001 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^
Dec 06 04:40:27.001 INFO [stderr] 
Dec 06 04:40:27.001 INFO [stderr] warning: method is never used: `launch`
Dec 06 04:40:27.001 INFO [stderr]   --> src/lib.rs:41:5
Dec 06 04:40:27.001 INFO [stderr]    |
Dec 06 04:40:27.001 INFO [stderr] 41 |     fn launch() -> io::Result<RustFmt> {
Dec 06 04:40:27.001 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 04:40:27.001 INFO [stderr] 
Dec 06 04:40:27.001 INFO [stderr] warning: method is never used: `stdin`
Dec 06 04:40:27.001 INFO [stderr]   --> src/lib.rs:49:5
Dec 06 04:40:27.001 INFO [stderr]    |
Dec 06 04:40:27.001 INFO [stderr] 49 |     fn stdin(&mut self) -> &mut ChildStdin { self.0.stdin.as_mut().unwrap() }
Dec 06 04:40:27.001 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 04:40:27.001 INFO [stderr] 
Dec 06 04:40:27.001 INFO [stderr] warning: method is never used: `stdout`
Dec 06 04:40:27.001 INFO [stderr]   --> src/lib.rs:50:5
Dec 06 04:40:27.001 INFO [stderr]    |
Dec 06 04:40:27.001 INFO [stderr] 50 |     fn stdout(&mut self) -> &mut ChildStdout { self.0.stdout.as_mut().unwrap() }
Dec 06 04:40:27.001 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 04:40:27.001 INFO [stderr] 
Dec 06 04:40:27.001 INFO [stderr] warning: function is never used: `transform_name`
Dec 06 04:40:27.001 INFO [stderr]   --> src/lib.rs:53:1
Dec 06 04:40:27.001 INFO [stderr]    |
Dec 06 04:40:27.001 INFO [stderr] 53 | fn transform_name(java_name: &str) -> String {
Dec 06 04:40:27.001 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 04:40:27.001 INFO [stderr] 
Dec 06 04:40:27.001 INFO [stderr] warning: function is never used: `gen_method`
Dec 06 04:40:27.001 INFO [stderr]   --> src/lib.rs:85:1
Dec 06 04:40:27.001 INFO [stderr]    |
Dec 06 04:40:27.001 INFO [stderr] 85 | fn gen_method(class_file: &ClassFile, method: &method_info::MethodInfo) -> TokenStream {
Dec 06 04:40:27.001 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 04:40:27.001 INFO [stderr] 
Dec 06 04:40:27.001 INFO [stderr] warning: function is never used: `bindgen`
Dec 06 04:40:27.001 INFO [stderr]   --> src/lib.rs:95:1
Dec 06 04:40:27.001 INFO [stderr]    |
Dec 06 04:40:27.001 INFO [stderr] 95 | fn bindgen(class_name: &str) {
Dec 06 04:40:27.001 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 04:40:27.001 INFO [stderr] 
Dec 06 04:40:27.001 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 04:40:27.001 INFO [stderr]    --> src/lib.rs:121:5
Dec 06 04:40:27.001 INFO [stderr]     |
Dec 06 04:40:27.001 INFO [stderr] 121 |     write!(rustfmt.stdin(), "{}", gen);
Dec 06 04:40:27.001 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 04:40:27.001 INFO [stderr]     |
Dec 06 04:40:27.001 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 06 04:40:27.001 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 04:40:27.001 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 06 04:40:27.001 INFO [stderr] 
Dec 06 04:40:27.125 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.84s
Dec 06 04:40:27.134 INFO [stderr] su: No module specific data is present
Dec 06 04:40:28.052 INFO running `"docker" "inspect" "e267b55af37a9f4095da80852b2ffce96e360b60db8e085c40e86ec8be8861f6"`
Dec 06 04:40:28.438 INFO running `"docker" "rm" "-f" "e267b55af37a9f4095da80852b2ffce96e360b60db8e085c40e86ec8be8861f6"`
Dec 06 04:40:28.752 INFO [stdout] e267b55af37a9f4095da80852b2ffce96e360b60db8e085c40e86ec8be8861f6
Dec 06 04:40:28.762 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-6/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 06 04:40:29.257 INFO [stdout] bff1f59a6dcfd4da03c989a8eb43a8fbe979146b14fd719ed1f613170775e906
Dec 06 04:40:29.259 INFO running `"docker" "start" "-a" "bff1f59a6dcfd4da03c989a8eb43a8fbe979146b14fd719ed1f613170775e906"`
Dec 06 04:40:31.153 INFO [stderr] usermod: no changes
Dec 06 04:40:31.276 INFO [stderr]    Compiling jvm-bindgen v0.1.0 (/source)
Dec 06 04:40:32.088 INFO [stderr] warning: unused import: `Read`
Dec 06 04:40:32.088 INFO [stderr]  --> src/lib.rs:9:15
Dec 06 04:40:32.088 INFO [stderr]   |
Dec 06 04:40:32.088 INFO [stderr] 9 | use std::io::{Read, Write};
Dec 06 04:40:32.088 INFO [stderr]   |               ^^^^
Dec 06 04:40:32.088 INFO [stderr]   |
Dec 06 04:40:32.088 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 06 04:40:32.088 INFO [stderr] 
Dec 06 04:40:32.088 INFO [stderr] warning: unused import: `std::borrow::Cow`
Dec 06 04:40:32.088 INFO [stderr]   --> src/lib.rs:18:5
Dec 06 04:40:32.088 INFO [stderr]    |
Dec 06 04:40:32.088 INFO [stderr] 18 | use std::borrow::Cow;
Dec 06 04:40:32.088 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 06 04:40:32.088 INFO [stderr] 
Dec 06 04:40:32.164 INFO [stderr] warning: unused variable: `is_upper`
Dec 06 04:40:32.164 INFO [stderr]   --> src/lib.rs:59:10
Dec 06 04:40:32.164 INFO [stderr]    |
Dec 06 04:40:32.164 INFO [stderr] 59 |     for (is_upper, chars) in &java_name.chars().group_by(|c| c.is_uppercase()) {
Dec 06 04:40:32.164 INFO [stderr]    |          ^^^^^^^^ help: consider using `_is_upper` instead
Dec 06 04:40:32.164 INFO [stderr]    |
Dec 06 04:40:32.164 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 06 04:40:32.164 INFO [stderr] 
Dec 06 04:40:32.184 INFO [stderr] warning: method is never used: `stdout`
Dec 06 04:40:32.184 INFO [stderr]   --> src/lib.rs:50:5
Dec 06 04:40:32.184 INFO [stderr]    |
Dec 06 04:40:32.184 INFO [stderr] 50 |     fn stdout(&mut self) -> &mut ChildStdout { self.0.stdout.as_mut().unwrap() }
Dec 06 04:40:32.184 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 04:40:32.184 INFO [stderr]    |
Dec 06 04:40:32.184 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 06 04:40:32.184 INFO [stderr] 
Dec 06 04:40:32.184 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 04:40:32.184 INFO [stderr]    --> src/lib.rs:121:5
Dec 06 04:40:32.184 INFO [stderr]     |
Dec 06 04:40:32.184 INFO [stderr] 121 |     write!(rustfmt.stdin(), "{}", gen);
Dec 06 04:40:32.184 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 04:40:32.184 INFO [stderr]     |
Dec 06 04:40:32.184 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 06 04:40:32.184 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 04:40:32.184 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 06 04:40:32.184 INFO [stderr] 
Dec 06 04:40:33.241 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.06s
Dec 06 04:40:33.243 INFO [stderr] su: No module specific data is present
Dec 06 04:40:34.444 INFO running `"docker" "inspect" "bff1f59a6dcfd4da03c989a8eb43a8fbe979146b14fd719ed1f613170775e906"`
Dec 06 04:40:34.790 INFO running `"docker" "rm" "-f" "bff1f59a6dcfd4da03c989a8eb43a8fbe979146b14fd719ed1f613170775e906"`
Dec 06 04:40:35.104 INFO [stdout] bff1f59a6dcfd4da03c989a8eb43a8fbe979146b14fd719ed1f613170775e906